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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CHELSEA FRIEDENBACH
NPI 1366359770
Speech-Language Pathologist in Sunnyvale, CA

Active since August 24, 2026
819 W IOWA AVE, SUNNYVALE, CA 94086(650) 522-8200 Get Directions Write a Review

NPPES record added: August 24, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Chelsea Friedenbach NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHELSEA FRIEDENBACH (NPI 1366359770) is an individual speech-language pathologist provider in Sunnyvale, California, licensed in California (19155) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1366359770
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameCHELSEA FRIEDENBACH
Location Address819 W IOWA AVESunnyvale, CA 94086-5926
Mailing Address819 W Iowa AveSunnyvale, CA 94086-5926 · (650) 522-8200
Phone(650) 522-8200
Sole ProprietorNo
Enumeration DateAugust 24, 2026
NPPES CertifiedAugust 24, 2026
✔ NPI 1366359770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 19155
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
819 W IOWA AVE, Sunnyvale, CA 94086
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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARYN IWAKIRI
Speech-Language Pathologist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8200
MARISA BACON
Psychologist (School)
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8200
ASHLEY VARGAS
Psychologist (School)
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (669) 649-4237
SASHA AREVALO
Marriage & Family Therapist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8200
ROSE MARIE J ALVARADO CCC-SLP
Speech-Language Pathologist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8200
DAISY ARAIZA
Speech-Language Pathologist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8200
JENNA MARIE BENDER OTR/L
Occupational Therapist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (650) 773-7170
ANNADYL DE LEON LO
Occupational Therapist
819 W IOWA AVE
SUNNYVALE, CA 94086
Santa Clara County (408) 522-8267

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chelsea Friedenbach's NPI number?

The NPI number for Chelsea Friedenbach is 1366359770. It was assigned to this individual provider in the NPPES registry on August 24, 2026.

Where is Chelsea Friedenbach located?

Chelsea Friedenbach practices at 819 W Iowa Ave, Sunnyvale, CA 94086. The listed phone number is (650) 522-8200.

What is Chelsea Friedenbach's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Chelsea Friedenbach was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.